{
\def\sym#1{\ifmmode^{#1}\else\(^{#1}\)\fi}
\begin{tabular}{l*{1}{ccccc}}
\hline\hline
                    &         p50&        mean&          sd&         min&         max\\
\hline
a\_abc\_rn            &        0.11&        0.16&        0.20&       -0.19&        1.06\\
b\_abc\_rn            &        0.18&        0.15&        0.38&       -1.55&        1.08\\
c\_abc\_rn            &        0.10&        0.13&        0.14&       -0.16&        0.72\\
\hline
Observations        &         112&            &            &            &            \\
\hline\hline
\end{tabular}
}
